What was found
PHL - FLT 1167 - ON CLIMB-OUR FROM PHL, THE CREW RECEIVED A CONTINUOUS STICK SHAKER. CREW ACCOMPLISHED PROCEDURES AND PULLED THE STALL WARNING, ASYMMETRY MODE AND AC AND DC CIRCUIT BREAKERS, BUT STICK SHAKER CONTINUED TO ACTIVATE. CREW DECLARED AN EMERGENCY AND RETURNED TO FIELD AT PHL. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE RIGHT ANGLE OF ATTACK VANE. SYSTEM CHECKED GOOD PER MM 27-32-00. (X)